τερατοσκόπος
From LSJ
τὸ ἀγαθὸν αἱρετόν· τὸ δ' αἱρετὸν ἀρεστόν· τὸ δ' ἀρεστὸν ἐπαινετόν· τὸ δ' ἐπαινετὸν καλόν → what is good is chosen, what is chosen is approved, what is approved is admired, what is admired is beautiful
English (LSJ)
ὁ,
A observer of τέρατα, soothsayer, diviner, Pl.Lg.933c, 933e, Arist.Fr.75, LXX De.18.11: cf. τερασκόπος.